8 institutions reported holding $299.7M of POET TECHNOLOGIES INC (POETF) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($181.8M), IMC-Chicago, LLC ($76.6M), SIMPLEX TRADING, LLC ($38.5M), NATIONAL BANK OF CANADA /FI/ ($1.5M), Capital Markets Trading UK LLP ($463,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $181.8M | 17.7M | Added |
| 2 | IMC-Chicago, LLC | $76.6M | 7.4M | Added |
| 3 | SIMPLEX TRADING, LLC | $38.5M | 3.7M | Added |
| 4 | NATIONAL BANK OF CANADA /FI/ | $1.5M | 1,445 | Trimmed |
| 5 | Capital Markets Trading UK LLP | $463,000 | 45,000 | New |
| 6 | Sender Co & Partners, Inc. | $462,600 | 45,000 | New |
| 7 | SUMMIT SECURITIES GROUP LLC | $359,800 | 35,000 | New |
| 8 | HRT FINANCIAL LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30